Singh, B. N. (1974). Trade and industrial markets of Bihar. Arvind Publications.
Lua i Stíl Chicago (17ú heag.)Singh, B. N. Trade and Industrial Markets of Bihar. Patna: Arvind Publications, 1974.
Lua MLA (8ú heag.)Singh, B. N. Trade and Industrial Markets of Bihar. Arvind Publications, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.